68results about How to "Guaranteed tight arrangement" patented technology

This invention provides an optical image capturing lens system comprising: a negative first lens element having a convex object-side surface and a concave image-side surface at the paraxial region; a positive second lens element; a negative third lens element; a positive fourth lens element having a convex image-side surface at the paraxial region; and a negative plastic fifth lens element having a convex object-side surface at the paraxial region as well as a concave at the paraxial region and convex at the peripheral region image-side surface, at least one of the object-side and image-side surfaces being aspheric. The optical image capturing lens system of the present invention effectively increases the angle of view to a proper range and suppresses the distortion. In addition, the present invention has a tighter arrangement of the lens elements and a smaller back focal length, and therefore is more appropriate for the compact device.

The invention relates to a photoelectric converter, a detector and scanning equipment. The photoelectric converter comprises a silicon photomultiplier array and a light guide coupled with the silicon photomultiplier array, wherein the silicon photomultiplier array comprises i*j silicon photomultipliers spliced on a horizontal plane, and the i and the j are both integers greater than or equal to 2. The detector comprises a scintillation crystal, an electronic system, a light guide and silicon photomultipliers. The scanning equipment comprises a detection device and a frame, wherein the detection device comprises the detector, and the detector comprises the photoelectric converter. According to the photoelectric converter, the detector and the scanning equipment, a photoelectric conversion scheme of the photoelectric silicon photomultipliers is mainly employed, the silicon photomultipliers have small volumes and are closely arranged, the silicon photomultipliers in proper dimensions and in proper quantity are matched with the light guide in proper shape, a PET detector with high spatial resolution can be established, so the spatial resolution of the whole PET system can be improved, the PET detector having DOI and TOF performances is proper to establish, application to PET/MRI can be realized, and low cost is further realized.

A medical forceps is provided with a tubular outer shank, on whose distal end there is formed a forceps jaw with two jaw parts. The two jaw parts are each rotatably mounted on the outer shank at two sides opposite one another. A tubular inner shank for actuating the jaw parts is displaceably arranged in the inside of the outer shank in its longitudinal direction. The inner shank is coupled to the two jaw parts for their actuation via two lever systems. Each of the lever systems is linked to the two jaw parts, one lever system on each of the two opposite sides.

The present invention discloses an apparatus of LED flat light signal display, which comprises at least one light emitting diode, a plurality of flat microlens and at least one microlens set. The light emitting diode acts as a light source for discharging light. The flat microlens comprises a plurality of concentric serrated rings for collimating and converging convergence received from the light source. The microlens set comprises at least one microlens unit with a specific geometric shape for receiving light transmitted from the flat microlens to produce a light spot identical to the specific geometric shape, and the micro unit has a lateral side on its external edge to be disposed next to another lateral side of another micro unit to define a geometric plane. The present invention can provide a maximum viewing area with a minimum quantity of LEDs while being applied in dot matrix LED signals or imaging devices, and also make the images produced by the device smoother to enhance the comfort of viewing.

The invention discloses a heat elimination structure of an electronic device, being used for the heat elimination of a heat source of the electronic device, which comprises a casing, in which a holding space is formed and the heat source is positioned; a heat elimination module embedded on the casing and provided with a contact part and a heat elimination part, wherein the contact part is contacted with the heat source in the holding space, absorbs the heat generated by the heat source and conducts to the heat elimination part, the heat elimination part is positioned outside the casing, and is used for dissipating the heat generated by the heat source. The invention can also comprises a casing, in which a holding space is formed, the heat source is positioned, and contacted with the inner side of the holding space; a heat elimination module provided with an embedding part and a heat elimination part, wherein the embedding part is used for embedding the heat elimination module on the casing and corresponding to the heat source, and the heat elimination part is positioned outside the casing.

The functionality and effectiveness of a goods advancing device for a front cardboard box or goods tray of several cardboard boxes or goods trays of a shelf-ready packaging system arranged one behind the other on a shelf of a display rack or storage rack, said cardboard boxes or goods trays having goods or packagings of goods stored therein, said goods advancing device comprising a pushing plate for the goods on a slide housing, are improved further and manual shelf stocking of deep sales racks having tight shelf spacings and several cardboard boxes or goods trays stored one behind the other is made substantially easier, which is achieved in that the pushing plate (4) is fixed to the slide housing (5) so as to be height adjustable and can be moved from an erect functional position to a flattened position.

The invention discloses an electric power heat insulation type insulator insulation shielding cover. The electric power heat insulation type insulator insulation shielding cover comprises an insulator shielding cover, a shielding cover covering plate, and a suspension clamp shielding cover, the insulator shielding cover is arranged in the U shape, edges of two side surfaces of the insulator shielding cover are provided with first fixing holes, the inner side of the lower part of the insulator shielding cover is provided with a base connecting groove, the insulator shielding cover is movably connected with the suspension clamp shielding cover via the base connecting groove, the shielding cover covering plate is arranged in the T shape, the shielding cover covering plate is provided with second fixing holes corresponding to the first fixing holes, the central part of the suspension clamp shielding cover is provided with a U-shaped metal shielding cover, the external surface of the metal shielding cover is provided with a U-shaped slipway, the inner part of the metal shielding cover is provided with wire clamp fixtures, and surfaces of the insulator shielding cover, the shielding cover covering plate, the suspension clamp shielding cover, and the metal shielding cover are all coated with high-temperature-resistant and wear-resistant insulation paints. According to the electric power heat insulation type insulator insulation shielding cover, the structure is simple, the operation is convenient, the shielding effect is good, and the safety factor is big.

An independent separating type power battery assembly comprises a rack assembly, a plurality of guiding strips, two polar heads, a plurality of lithium batteries and safety units. The guiding strips are connected to the polar heads and are disposed on the rack assembly, respectively. The rack assembly has a containing space for accommodating the lithium batteries, and each lithium battery is connected to the guiding strip by a guiding piece via one safety unit, such that the lithium batteries are connected in parallel, thus providing enough power with a small size. In addition, each safety unit can cut off the broken lithium battery separately, so as to avoid the immediate shut-off of the electric power.

A fan for easily being attached to a fixing device and includes a fan body and a frame for holding the fan body therein. The frame includes two parallel first sidewalls, and two parallel second sidewalls perpendicular to the first sidewalls. Two pairs of rims symmetrically extend from the first sidewalls and the second sidewalls. Ends of the rims on the first sidewalls toward one same second sidewall each include a latch flange. Ends of the rims on the second sidewalls toward one same first sidewall each includes a latch flange. Each of the latch flanges includes a guiding edge slantingly extending from the corresponding rim, and a latch edge perpendicular to the corresponding rim. Each of the latch flanges includes a guiding edge slantingly extending from the corresponding rim, and a latch edge perpendicular to the corresponding rim.

A prismatic battery case (3) has a configuration wherein a rectangular shorter-side plate (3a) has a thickness (A) larger than a thickness (B) of a longer-side plate (3b). When the prismatic battery case (3) is manufactured, a battery case material (8) punched into a predetermined shape undergoes deep drawing to form a first intermediate cup element (1) having a substantially elliptic cross section; the first intermediate cup element (1) undergoes redrawing successively in a plural stages to form a second intermediate cup element (2) having a substantially elliptic cross section which is smaller in minor-axis-diameter to major-axis-diameter ratio; and the second intermediate cup element (2) undergoes DI processing to form the prismatic battery case (3) having a substantially rectangular cross section wherein the thickness (A) of the shorter-side plate (3a) is made larger than the thickness (B) of the longer-side plate (3b).

A pulse power device based on an annular ceramic solid state line. The pulse power device comprises several pulse forming lines (2), two charging inductors (1), and several gas switches that are connected as a whole based on Marx voltage superposition. The pulse forming lines (2) are annular pulse forming lines (2), and the annular surface of each annular pulse forming line (2) is provided with one gas switch. The annular pulse forming lines (2) are successively superposed together to form a column structure through the gas switches. Each charging inductor (1) passes through the inner ring of each annular pulse forming line (2) to be disposed inside the column structure. An annular insulation plate (3) is disposed between every two annular pulse forming lines (2).

The invention discloses an integrated healthy functional body shaping underwear, which comprises an underwear body, and the underwear body includes a front piece and a back piece. The integrated healthy functional body shaping underwear of the present invention does not need to wear bras and underpants, and adopts an integrated three-dimensional tailoring design. The whole body has no disconnection, so that the body is evenly stressed; the whole body is seamless, and the side wings are high-solid. Cross the shoulder belt and continue to the back, the lower end of the buttocks to the thigh, the whole is integrated without disconnection, forming a three-dimensional complete body, with uniform and fixed tension, making the chest more firm and supporting a full effect; the back is evenly stressed to achieve correction And the effect of preventing the scoliosis and bending of the spine, forming a perfect chest cavity, reshaping the curve of the chest; reshaping the elastic buttocks, reflecting the perfect back curve, improving physical health, and improving human immunity; reducing the compression of underwear and reducing fat The crotch pad has good antibacterial and deodorant effect; the steel ring on the chest is continuous and does not deform, and it rebounds automatically at 360 degrees.

The invention relates to an improved floor brick which comprises a base, a shaping frame and a top plate. The top plate is movably fastened on the shaping frame, and a return spring is further mounted between the base and the top plate; a deformation film made of elastic materials wraps the outside of the shaping frame, and flow guide holes are equidistantly formed in the shaping frame and the deformation film; L-shaped guide pipe seats are centrally symmetrically fixed onto four corners of the base, a pipe orifice of each guide pipe seat vertically and upwardly directly faces the top plate, and the other pipe orifice of each guide pipe seat horizontally directly faces the shaping frame; adjusting rods are mounted in the various guide pipe seats; one end of each adjusting rod is fixedly connected onto the top plate, and permanent magnetic columns are fixedly mounted at the other ends of the adjusting rods, penetrate the shaping frame and are adhered onto the deformation film. The improved floor brick has the advantages that the improved floor brick is novel in structure and convenient to lay and maintain, and rainwater can be effectively prevented from splashing.

The invention discloses carbon nanotube/polypyrrole nanotube composite electronic ink and a preparation method thereof, and relates to an electronic ink technology. The electronic ink is mainly prepared from, by weight, 0.4-1.2 parts of polypyrrole nanotube, 0.4-1.2 parts of carbon nanotubes, 1.2-4.8 parts of bacterial cellulose, 0.4-1.2 parts of a surface active agent, 0.2-0.6 part of carboxymethylcellulose, 0.4-1.2 parts of a color-fixing agent, 2-6 parts of 3-amidogen propyl triethoxysilane, 10-20 parts of ethyl alcohol, 50 parts of deionized water and 40 parts of 1-methyl-2-pyrrolidone. The electrical conductivity of polypyrrole powder obtained through freezing interface polymerization is high, and the polypyrrole powder can be taken as a nanomaterial of the electronic ink. After polypyrrole is modified through bacterial cellulose, the obtained dispersion liquid is more uniform, the phenomenon of precipitation and gathering cannot easily occur, and addition of the color-fixing agent, the carboxymethylcellulose and the 3-amidogen propyl triethoxysilane can improve the binding force between ink and basic materials. After the prepared ink is subjected to silk-screen printing, a coating with washable performance and higher electrical conductivity can be obtained, in the process of preparing the ink, conditions are controllable, and the cost is lower.

The invention provides a foaming agent, relates to a building admixture, particularly relates to a foaming agent added into concrete and also relates to a preparation method of the foaming agent. A compound type foaming agent is prepared on the basis of the original foaming agent; several types of materials with excellent foaming performance are added into the foaming agent; then other admixturesare added into the foaming agent, so that the effects of increasing foam, stabilizing foam and adjusting are achieved; the compound type foaming agent prepared by the invention has been verified in the actual production; the compound type foaming agent has the prominent properties of high foaming capacity, low foam loss, low influence on strength and the like.

The invention relates to a sound dampening device (1) comprising a frame (2), a rear layer (4) and a front layer (6) arranged on opposite sides of the frame (2), such that the frame (2), the rear layer (4) and the front layer (6) forms an enclosed space, wherein a first sound absorbing layer (8) is arranged between the rear layer (4) and the front layer (6). A cavity (10) is formed between the rear layer (4) and the first sound absorbing layer (8) and an air purifying device (12) is arranged in fluid communication with said cavity (10), such that purified air from the air purifying device (12) is supplied to the cavity (10) via an inlet (14) and is discharged through at least one opening (16) in the first sound absorbing layer (8) and at least one output zone (18) in the front layer (6).

A soybean seed pretreatment method before sowing comprises steps of ultrasound washing, action of an electric field, drying, ultraviolet irradiation, soaking with a medicament, formation of a coating layer, etc. By the pretreatment method of seeds, growth mechanism of embryonic cells of seeds can be activated, bacteria and viruses which are attached to the surface of seeds can be eliminated, resistance to diseases and pests can be raised during the period of seed growth, nitrogen fixation ability and photosynthesis of crops can be enhanced, and yield of soybeans can be increased. Meanwhile, the seed treatment method is simple, is low-cost, is convenient to operate, has strong treatment capability, and has no side effect.

According to the loudspeaker module and the preparation method of the loudspeaker module provided by the embodiment of the invention. An elastic isolation device is arranged in a shell, so that elastic materials in a second cavity are arranged compactly, when a loudspeaker vibrates, sound absorption particles cannot vibrate and rub along with airflow, and the performance of the loudspeaker modulecan be improved.